[Retros] Troitzky masterwork no.1

John Tromp john.tromp at gmail.com
Fri Jun 18 10:31:56 EDT 2021


> retracting these moves lead to an illegal position, in the south-east
> corner.  The presence of the bNh1, blocked by wPf2 and g3, prevent the
> wRh1 to return to its homesquare.

Ah yes, I see now. Thanks, Pascal. It truly is a masterpiece...

regards,
-John


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